A ball joint capable of preventing a ball seat from being rotated following the rotation of the ball joint.
The annular ball valve seat is configured to be disposed within a ball valve, on either side of a ball of the ball valve.
A golden ball is implanted in each pad, and each golden ball is connected to a first copper bonded ball.
The first ball (9) and the second ball (12) are connected through a ball mandril (10).
The free ball bearing is provided with a ball supporting body and a ball rotatably supported by the ball supporting body.
Provided is a novel aqueous ink composition for ballpoint pens, which has the advantages of both aqueous ballpoint pens and oil-based ballpoint pens.
The first ball seat is adapted to receive a ball deployed into the tool, transition to a second state and release the ball.
In the ballpoint pen tip (5), the writing ball (10) and a rear ball (50) are arranged in series.
The invention provides for a invention provides for a multidirectional driving ball (1) comprising a hollow spherical ball part (2).
ball screw jack head
The at least one input terminal (120) is operable to receive at least one signal representing at least one measured property of the log and at least one determined parameter of the log determined in response to an energy being applied to the log.
A rolling bearing and a retainer for the rolling bearing.
The invention also concerns the method for making such a ballpoint and its use in a ballpoint pen.
basic lead of a ball screw
The ball contact (6) is conductive.
A loose ball is contained in a chamber upstream of the ball closure.
A ball taper insert cams against the ball to push the ball into the ball opening.
A dual drive ball screw (40) has a ball screw shaft (42) coupled at one end to a gear train and coupled at the other end to a ball screw nut (60).
nominal diameter of a ball screw
Ball point pens with liquid ink (rolling ball pens) (excluding with body or cap of precious metal or rolled precious metal
the penetrating body consists of a ball of hardened steel free of cracks
Ball point pens with liquid ink (rolling ball pens) (excluding with body or cap of precious metal or rolled precious metal
In the preferred embodiment the member is a ball in a ball valve for subterranean use.
Ball valves and ball valve components usable to control the flow of fluids and methods for manufacturing said ball valve components.
The ball retaining core (2) is fixed within the ball holding tube(1) and the ball (4) is rotatably retained in a ball holding unit (3).
The ball is guided by a tapered member with a lower outlet larger than the ball.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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